5 is the maximum lev el . A s y ou lo w er it , the audio r esponse v olume the devic e pr oduc es f or
f er r ous metals will decr ease . A t 0 lev el , the ir on audio will be silenc ed . I n other w or ds , the
devic e will det ec t f er r ous tar gets , the T ar get ID will be displa y ed on the scr een but the
devic e will not pr oduc e an y audio r esponse .
T one Br eak ( T .BREAK )
I t is ac tiv e in the MICRO mode only . I t is used t o adjust the br eak poin t of the f err ous
tar get r esponse t one bet w een 00-66 on the T ar get ID r ange .
T o use the T one Br eak f ea tur e , first selec t T .BREAK fr om SE T TINGS . T he f er r ous t one br eak
v alue of 40 will be displa y ed . Y ou can adjust this v alue bet w een 00-66 b y using the plus (+)
and minus (-) butt ons .
L et's sa y , y ou changed this v alue t o 50. I n this case , the devic e will pr oduc e a lo w ir on t one
f or all metals with IDs equal t o or less than 50.
T ONE
T his f ea tur e is selec table in all modes e x c ept f or the MICR O mode . A llo w s y ou t o change the
fr equenc y of the tar get audio r esponse t one and the thr eshold sound ac c or ding t o y our
pr ef er enc e . T he fr equenc y can be adjust ed bet w een 150 H z (15) and 700 H z (70).
T ONE adjustmen t applies t o the selec t ed sear ch mode only . T he change does not aff ec t the
other modes .
Brigh tness (BRIGHT .)
I t enables y ou t o adjust displa y back ligh t lev el ac c or ding t o y our personal pr ef er enc e . I t
r anges bet w een 0-5 and C1- C5. A t 0 lev el , the back ligh t is off . W hen set bet w een 1-5, it
ligh ts up only f or a shor t per iod of time when a tar get is det ec t ed or while na viga ting the
menu and then it goes off . A t C1- C5 lev els , it will be c on tinuously lit . T he c on tinuous
oper a tion of the back ligh t will aff ec t po w er c onsumption, which is not r ec ommended .
T he back ligh t setting is r est or ed t o the final sa v ed setting when the devic e is tur ned off and
on again. T his setting is c ommon in all modes; change made in an y mode also applies t o the
other modes .
F r equenc y (FREQ .)
I t is used t o elimina t e the elec tr omag netic in t er f er enc e tha t the devic e r ec eiv es fr om
another det ec t or which oper a t es in the same fr equenc y r ange near b y or fr om the
sur r oundings . I f t oo much noise is r ec eiv ed when the sear ch c oil is lif t ed in the air , this ma y
be caused b y the local elec tr omag netic sig nals or e x c essiv e gain settings .
T o elimina t e the noise caused b y elec tr omag netic in t er f er enc e , tr y shif ting the fr equenc y
first (FREQ .) bef or e lo w er ing the gain t o obtain maximum depth per f or manc e . F r equenc y
shif t c onsists of 5 st eps . D efault setting is F3 which is the c en tr al fr equenc y . Y ou can shif t the
fr equenc y bet w een F1-F5 using the plus (+) and the minus (-) butt ons .
IMPOR T ANT! F r equenc y shif t ma y impair per f or manc e . T her ef or e , it is suggest ed tha t y ou
do not shif t the fr equenc y unless it is nec essar y .
15
SET
While the device is in detection mode, meaning when the cursor is poin
the SET
with the up and down buttons.
screen.
and +/- buttons are held down, the options and v
T
Settings will time out in approximat
modes window
NO Certain settings are mode specific and thus cannot be selected in other modes.
GAIN
Gain, in other words the sensitivity
eliminate the ambient electromagnetic signals fr
noise signals transmitted fr
NO T
electromagnetic interference, try shifting the frequency (FREQ.) first.
Gain setting range is 01-99 and pre-
settings.
selected mode; the modified setting does not affect the gain setting of the other modes.
NOIf the gr
until the ''Overload'' message disappears from the screen.
Gain in General Search Mode (GEN)
In the GEN mode, gain setting causes an increase or decrease in the popping sounds and
false signals. Gain setting is a personal pref
setting to the highest level possible wher
missing smaller and deeper targets. F
and is the same at gain levels 40 and 70, then 70 should be pref
default levels will be a good starting point until you get familiar and experienced with the
device.
Gain in Other M
Since the threshold setting is not av
depth of the device or ensure noise-free operation on diff
GAIN setting.
In order to adjust the gain in these modes, first g
default setting. After gr
over the gr
that the DISC. is also at its default settings when checking this), increase the gain gradually
until there is no popping sound. If the device starts to receiv
reduce the gain gr
NOG
noisy compared to other modes so as t
due to the design characteristics of this mode, the noise will be hear
fr ee air than sw eeping the c oil on the g r ound . P lease keep this fac t or in mind while
adjusting the gain.
D iscrimina tion (DISC.)
DISC.is the abilit y of the devic e t o ig nor e all metals belo w a c er tain T ar get ID . I n the DISC.
pr oc ess , the discr imina t ed out ID r ange is sho wn with lines on the ID scale and ev er y 2
c onsecutiv e IDs ar e r epr esen t ed with 1 line . F or e xample , if y ou set the DISC.t o 30, 15 lines
will be sho wn bet w een the 0-30 ID r ange on the scale and the devic e will not pr oduc e an
audio r esponse f or an y metals with IDs bet w een 0-30.
DISC. setting is disabled f or GEN mode only . F or all other modes , the fac t or y default v alue
will be displa y ed on scr een a t star t up .
I n or der t o change the DISC. v alue , selec t the DISC. option fr om the SE T TINGS and decr ease
or incr ease the v alue using the plus (+) or minus (-) butt ons . P lease r emember tha t c er tain
tar gets , other than the ones y ou w an t t o ig nor e , ma y also be missed or their sig nals ma y
bec ome w eaker when using the DISC. setting .
W hen using the DISC. setting , please r emember tha t other tar gets , diff er en t than the ones
y ou w an t t o ig nor e , tha t fall in t o the same ID r ange ma y also be missed or their sig nals ma y
bec ome w eaker .
I n the case of r ec eiving multiple IDs f or the same tar get - let's sa y 35 and 55 - due t o the
or ien ta tion of the tar get or the c omposition of the metal itself , if y ou set the DISC. t o 40,
because 35 will fall in the discr imina t ed out r ange , the sig nal str ength as w ell as the depth
ma y diminish.
T hr eshold ( T hr esh.)
I n the G ener al S ear ch M ode ( GEN), sear ch is per f or med with a c on tinuous humming sound
in the backg r ound , also r ef er r ed t o as the thr eshold sound . T he loudness of this hum
dir ec tly impac ts the det ec tion depth of smaller and deeper tar gets and it is adjust ed b y the
thr eshold ( T hr esh.) setting . I f the thr eshold is set t oo high, a w eak tar get sig nal ma y not be
hear d . On the c on tr ar y , if the thr eshold is t oo lo w , y ou g iv e up the depth adv an tage this
setting off ers . I n other w or ds , w eak sig nals of smaller or deeper tar gets ma y be missed . I t is
r ec ommended f or a v er age users t o lea v e this setting a t its default v alue and f or
e xper ienc ed users t o adjust t o the highest lev el wher e they can still hear the w eak tar get
sig nals .
T hr eshold lev el is dir ec tly r ela t ed t o the G ain and iSA T settings . P lease be sur e t o r ead the
r ela t ed sec tions of the manual car efully .
iSA T (I n t elligen t S elf- A djusting T hr eshold)
F or the G ener al S ear ch M ode ( GEN) t o per f or m ac cur a t ely , a stable thr eshold sound is
nec essar y . Y ou cannot sear ch in the G ener al S ear ch M ode without g r ound balancing .
Changes tha t oc cur in the soil struc tur e and miner aliza tion lev els af t er g r ound balancing ,
ma y cause a r ise or fall in the backg r ound hum and disrupt the thr eshold's stabilit y which
will r esult in false sig nals and thus missing sig nals of small metals . iSA T adjusts the speed
tha t the devic e r ec o v ers its thr eshold hum and elimina t es the nega tiv e eff ec ts of
miner aliz ed soils . I ncr easing the iSA T in high miner aliza tion will enable a mor e stable
oper a tion b y a v oiding false sig nals . T his , ho w ev er , ma y cause some loss in depth and it is
nor mal .
NO TE: I n high miner aliza tion, if y ou r ec eiv e t oo man y false sig nals without disruption in the
thr eshold hum, lo w er the gain first bef or e incr easing the iSA T . I f the false sig nals c on tinue ,
set the gain back t o its or ig inal v alue and incr ease the iSA T .
I f the miner aliza tion is lo w , y ou can decr ease the iSA T and sw eep the c oil mor e slo wly f or a
deeper det ec tion.
iSA T c onsists of 6 lev els . T he devic e will star t a t lev el 2. I t is r ec ommended tha t iSA T should
be incr eased in high-miner aliza tion and decr eased in lo w miner aliza tion.
iM ASK (I n t elligen t M ask ing)
T his setting is a v ailable in all modes e x c ept f or GEN mode . I t is used t o elimina t e false
sig nals caused b y g r ound noise or hot r ocks when sear ching and the a v ailable r ange is
bet w een 00-10. I ts fac t or y default v alue is set t o (1). Y ou can change the v alue using the
plus (+) and minus (-) butt ons .
I f the devic e r ec eiv es a lot of false sig nals due t o highly miner aliz ed soil or hot r ocks dur ing
sear ching , first r e - g r ound balanc e . I f the false sig nals c on tinue , lo w er the GAIN and check
again. I n case the false sig nals still e xist , tr y incr easing the DISC. v alue . R egar dless of all
these , if the false sig nals still e xist , first change the GAIN and DISC. v alues back t o their
pr evious lev els . T hen, incr ease the iM ASK lev el un til the false sig nals ar e elimina t ed .
A t the maximum lev els of iM ASK , false sig nals will disappear or will be minimiz ed . Ho w ev er ,
in some cases , incr easing the iM ASK will r esult in loss of depth f or c er tain metals such as
c opper .
NO TE: iM ASK v alue r anges bet w een 00-10. T he fac t or y default is 01. A t ''0'' , the iM ASK
f ea tur e will be inac tiv e . I f the g r ound is not highly miner aliz ed or does not c on tain man y
hot r ocks , setting the iM ASK t o ''0'' is r ec ommended .
T r ack ing ( TR A CK )
A lthough the tr ack ing setting is selec table in the GEN mode only , it is ac tually a
c ommon f ea tur e t o all modes so when it is turned on, it bec omes ac tiv e in all modes . T he
r eason it is selec table in the GEN mode only is tha t the use of tr ack ing is r ec ommended in
the GEN mode and not in the other modes . A f t er using tr ack ing in the GEN mode , if y ou
swit ch t o other modes and do not w an t t o use tr ack ing , y ou need t o selec t it in the menu
again in GEN mode and turn it off .
W hen tr ack ing is ac tiv e (01 position), the devic e c on tinuously tr acks the chang ing g r ound
struc tur es and aut oma tically r ec onfigur es the g r ound balanc e setting . T he in visible
changes in g r ound aff ec t the det ec tion depth as w ell as the discr imina tion abilit y of the
devic e so it is possible t o oper a t e the devic e a t higher per f or manc e using this f ea tur e under
suitable g r ound c onditions . P lease r ef er t o page 10 f or mor e inf orma tion on T r ack ing .
W hen tr ack ing is ac tiv a t ed , '' T r ack ing'' will be displa y ed a t the bott om of the GB windo w .
NO TE: T r ack ing is r ec ommended t o be used in the GEN mode only .
I r on V olume (F e V OL.)
I t is ac tiv e in the MICRO mode only . I t adjusts or tur ns off the v olume of the lo w ir on t one
in this mode . I t can be adjust ed bet w een 0-5.
F ac t or y Default /S a v e (FD/SA VE)
W ith the FD/SA VE f ea tur e of the G old K ruz er , y ou can sa v e y our settings or r est or e fac t or y
defaults . S a v e func tion sa v es all settings e x c ept f or the g r ound balanc e , tr ack ing and
fr equenc y shif t . T he devic e star ts in the last mode wher e the sa v e func tion w as per f or med .
T o sa v e y our settings , selec t FD/SA VE on scr een. T w o dashes (--) will be displa y ed on scr een.
P ush the r igh t butt on. W hen ''SA '' is displa y ed , pr ess the SELEC T/E .U .D butt on onc e . Y ou will
see lines r ota ting in the middle of the scr een. W hen the sa ving is c omplet ed , the lines will
st op r ota ting and the SA t e x t will disappear .
T o go back t o fac t or y defaults , selec t FD/S a v e on scr een. T w o dashes (--) will be displa y ed on
scr een. P ush the lef t butt on. W hen ''F d'' is displa y ed , pr ess the SELEC T/E .U .D butt on onc e .
Y ou will see lines r ota ting in the GB windo w on the r igh t side . W hen the pr oc ess is
c omplet ed , the lines will st op r ota ting and the F d t e x t will disappear .
W ir eless C onnec tion ( WIRELESS)
I t is used t o tur n on and off the wir eless headphones c onnec tion and t o change the
channel .
A f t er choosing the WIRELESS option, y ou can change the channels bet w een 00-19 or y ou
can c omplet ely tur n the wir eless c onnec tion off b y choosing the oF (off ) position.
F or mor e detailed inf o about the wir eless headphones , please r ead the instruc tions
included with the headphones .
T ARGE T DEPTH
T he devic e pr o vides an estima t ed tar get depth ac c or ding t o the sig nal str ength both
dur ing det ec tion and in the pinpoin t mode .
Depth I ndica t or: I t sho w s the tar get's pr o ximit y t o the sur fac e in 5 lev els dur ing det ec tion.
B ecause each mode of the G old K ruz er has diff er en t depth, the depth indica t or will displa y
a diff er en t depth lev el f or the same tar get in diff er en t modes .
I n the pinpoin t mode , estima t ed tar get depth is sho wn on the displa y in cms (or inches -
please see belo w f or details) while getting closer t o the tar get .
D epth det ec tion is adjust ed pr esuming tha t the tar get is 2.5cm (1'') in diamet er . A c tual
depth v ar ies ac c or ding t o the siz e of the tar get . F or instanc e , the det ec t or will indica t e mor e
depth f or a tar get smaller than 2.5cm (1'') and less depth f or a lar ger tar get . I n r ealit y ,
pinpoin t pr oc edur e is not in t ended f or depth det er mina tion but e xac t loca tion
det er mina tion. T her ef or e , it is r ec ommended tha t the depth indica t or on the displa y is used
f or det er mining the pr o ximit y t o the tar get .
IMPOR T ANT! I f y ou w an t the tar get depth t o be displa y ed in inches inst ead of cms please
do the f ollo wing: W hile the devic e is off , pr ess and hold the SE T TINGS/OPTIONS and
BOOST butt ons simultaneously and tur n the devic e on. ''I n '' will be displa y ed . T o swit ch
back t o cms , y ou need t o tur n the devic e off and then r epea t the abo v e pr oc edur e . W hile
the devic e is initializing , ''SI'' will be displa y ed .
L ARGE OR NEAR-SURF A CE T ARGE T S
T ar gets which ar e near the sur fac e ma y g iv e multiple diff er en t sig nals t o the devic e . I f y ou
suspec t a tar get near the sur fac e , lif t the sear ch c oil and swing it mor e slo wly un til a single
sig nal is r ec eiv ed . A lso , if ther e is a lar ge tar get near the sur fac e it ma y cause an o v er load in
the sear ch c oil and the devic e star ts t o gener a t e a c on tinuous sound which r esembles a
sir en. “ O v er load ” message is sho wn on the displa y simultaneously . I n such a case , lif t the
sear ch c oil up un til the message disappears .
F ALSE SIGNALS AND REASONS
S ometimes , the devic e ma y pr oduc e sig nals which ar e similar t o a tar get sig nal although no
metal tar get is pr esen t . T her e ar e v ar ious r easons f or the false sig nals r ec eiv ed b y the
devic e . T he most c ommon ones ar e g r ound miner aliza tion or r ocks with high miner al
c on t en t , sur r ounding elec tr omag netic sig nals , oper a tion of another near b y det ec t or ,
rust ed or c or r oded ir on or f oil in the soil , gain or thr eshold v alues set t oo high.
Sur r ounding elec tr omag netic sig nals can be elimina t ed b y r educing the gain. I f another
det ec t or is oper a ting near b y , y ou ma y a tt empt t o shif t the fr equenc y or per f or m y our sear ch
a t a distanc e wher e no in t er f er enc e oc curs . F or g r ound miner aliza tion or hot r ocks with high
miner al c on t en t , and gain and thr eshold set t oo high, please r ead the r ela t ed sec tions .
M A GNE TIC MINER ALIZ A TION INDIC A T OR
T he M ag netic M iner aliza tion I ndica t or c onsists of 5 lev els . T he indica t or bars do not r ise a t
lo w miner al lev els dur ing sear ch and a t star t up . I n ar eas wher e the mag netic miner al lev el
is high, the indica t or bars will r ise ac c or ding t o the in t ensit y . T his measur emen t can be
summar iz ed as the lev el of mag netic pr oper t y and in t ensit y of the g r ound .
T his measur emen t is impor tan t fr om t w o aspec ts . F irst , on g r ounds with high mag netic
miner aliza tion, sear ch depth is lo w and users should be a w ar e of this fac t . S ec ond ,
mag netic miner aliza tion is a pr oper t y which is par ticular ly seen with miner aliz ed r ocks and
this measur emen t pla y s an impor tan t r ole f or the devic e t o elimina t e the false sig nals
pr oduc ed b y these r ocks .
ROCKS AND SEARCHING IN ROCK Y TERR AINS ( GENER AL MODE AND O THERS)
Challeng ing g r ound c onditions ar ise especially when c onduc tivit y and mag netic
pr oper ties of the g r ound ar e t oo in t ense . Oper a tion of the devic e o v er such g r ound is made
possible b y selec ting the best oper a ting mode as w ell as using pr oper g r ound balanc e ,
gain, iSA T , iM ASK and thr eshold settings .
S t ones and r ocks or ca vities inside the g r ound ar e as impor tan t as the g r ound itself in
r egar ds t o the sear ch and tar get det ec tion qualit y .
S oil and r ocks ha v e t w o diff er en t pr oper ties just like the tar gets y ou ar e sear ching f or . One
of them is the in t ensit y and the other one is the c onduc tivit y - mag netic per meabilit y r a tio
and these t w o pr oper ties ar e independen t fr om each other . I n this manual , the
c onduc tivit y - mag netic per meabilit y r a tio will be r ef er r ed t o as ID in shor t . H igh mag netic
per meabilit y , lo w c onduc tivit y r esults in lo w ID . S oil or r ocks can be highly per meable and
ha v e lo w or high IDs as w ell . I f the c onduc tivit y incr eases r ela tiv e t o mag netic per meabilit y
then the ID will also incr ease .
Hot r ocks ar e classified as nega tiv e or positiv e based on their ID being lo w or high in
c ompar ison t o the ID of the soil they ar e in. One or both of the t ypes ma y be pr esen t in a
field . T he nega tiv e and positiv e eff ec ts men tioned her e will only be v alid if g r ound
balancing is pr oper ly done on the e xisting g r ound . O ther wise , soil itself will not ac t
diff er en tly fr om hot r ocks in t er ms of ID . I n '' TR A CKING'' ho w ev er , c onditions will diff er .
T her ef or e , the eff ec ts of r ocks in tr ack ing will be discussed separ a t ely . Her e w e ar e r ef er r ing
t o a pr oper g r ound balanc e without tr ack ing .
P ositiv e hot r ocks ac t just like metal and pr oduc e a metal sound . I n the G ener al S ear ch
M ode ( GEN) they pr oduc e a “ zip zip ” sound when the sear ch c oil is mo v ed o v er them. I f the
sig nal is str ong enough, the devic e ma y pr oduc e an ID f or these hot r ocks and the M iner al
Bar will r ise . Nega tiv e hot r ocks in the G ener al S ear ch mode , pr oduc e a long “ boing ” sound
when the sear ch c oil is mo v ed o v er them. T he devic e does not g iv e an ID f or these hot r ocks
ev en if the sig nal is str ong but the M iner al Bar will r ise .
P ositiv e hot r ocks pr o vide a t ypical metal sound in the other modes . Nega tiv e hot r ocks do
not pr o vide a sound in these modes (e x c ept f or r ar e cases of false sig nals). T he M iner al Bar
will r ise in either case .
A t higher settings of iSA T , ther e will be no change in the sounds of positiv e or nega tiv e hot
r ocks . A s the iSA T v alue is decr eased , the sound of positiv e hot r ocks will r emain the same
but the nega tiv e hot r ocks ma y g iv e a thinner beep sound inst ead of the boing sound .
T her ef or e , y ou can make a decision b y list ening t o the audio r esponses pr oduc ed b y the
devic e in the field . I n the GEN mode , when the devic e pr oduc es an audio t one , if the miner al
bar r ises a t the same time , y ou can decide whether the tar get is a positiv e or a nega tiv e hot
r ock b y list ening t o the sound . I n the other modes , if y ou ha v e not changed the default
DISC. setting of the de vic e , the devic e will not pr oduc e an audio t one f or positiv e hot r ocks
and if y ou ha v e g r ound balanc ed , it will not emit an audio t one f or nega tiv e hot r ocks
an y w a y . I f y ou ha v e changed the DISC. setting of the devic e in these modes , when y ou
r ec eiv e a str ong sig nal and a stable ID , y ou can distinguish if the det ec t ed tar get is a positiv e
hot r ock or metal b y check ing the ID . Ho w ev er , r emember tha t w eak sig nals ma y pr oduc e
diff er en t IDs and metals under r ocks ma y pr oduc e diff er en t metal sig nals . T her ef or e , the
most appr opr ia t e ac tion is t o dig up when a metal sig nal is r ec eiv ed .
B ecause y ou can enc oun t er such a situa tion in gold pr ospec ting ar eas wher e nuggets ar e
being sear ched f or , it is impor tan t f or y ou t o get familiar with the hot r ocks and their IDs in
y our sear ch field and pr e -t est the devic e with some nuggets .
I f y ou ar e using one of the modes other than the GEN mode and y ou k no w the ID of the
sur r ounding hot r ocks , y ou can use the DISC. setting t o elimina t e the r ocks . Ho w ev er , this
ma y not be sufficien t t o a v oid all r ock sig nals . T he devic e ma y still r ec eiv e sig nals fr om r ocks
because soil and r ocks t ogether will f or m a c ombined eff ec t and gener a t e a diff er en t ID
than those of r ocks .
TR A CKING AND EFFEC T S OF ROCKS
W hen the tr ack ing is ac tiv e , the devic e ma y g iv e an audio r esponse and ID when it passes
o v er a hot r ock because the eff ec t of the r ock will be diff er en t than the g r ound's . A t the sime
time , the miner al bar will r ise . I f y ou swing the sear ch c oil o v er the r ock , tr ack ing will
aut oma tically adjust the setting and the audio r esponse/ID will either disappear or
diminish sig nifican tly . B ecause ther e is a sligh t dela y in tr ack ing , y ou ma y hear a str ong
sig nal a t the first one or t w o swings un til the setting is adjust ed . T hen the sound will get
w eaker and disappear . T his will not happen with metal tar gets because metals will pr ev en t
the devic e fr om g r ound balancing . T her ef or e , in tr ack ing , if y ou ar e getting a c onstan t
sig nal o v er a tar get af t er r epea t ed swings , ther e is a high possibilit y tha t the tar get is a
metal . M o ving fr om o v er a r ock back t o soil , the devic e ma y g iv e sig nals t o the g r ound f or a
f ew swings un til the g r ound balanc e setting is upda t ed again. T his is nor mal and should not
mislead y ou .
T r ack ing is not r ec ommended t o elimina t e r ocks under nor mal c onditions . I t is
r ec ommended f or use in ar eas with chang ing soil t ypes .
ME T ALS UNDER ROCKS
G old K ruz er incr eases the possibilit y of det ec ting metal tar gets under miner aliz ed r ocks
thr ough the pr oper adjustmen t of y our settings . T he c ombined eff ec t cr ea t ed b y the r ock
and metal t ogether is lo w er than the eff ec t tha t the metal cr ea t es b y itself and the
displayed ID will be diff
the combination of rock and metal t
of the metal is smaller in relation to the r
never appear with their own metal ID
an iron tone and ID
If you eliminate hot rocks with a c
than GEN, you can hear the signal of the target under the r
slightly great
target and dig out a rock, you should note the ID y
DISC.value the next time.
F
you should set the DISC. to maximum 05.
signals of metals underneath. If you set the DISC.too high unnecessarily
metals along with rocks.
IMPORT
recommended to a
